30 Rockefeller Plaza in midtown Manhattan has officially been renamed the "Comcast Building." The Comcast logo and the NBC Peacock logo have replaced the old General Electric initials as they light up the NYC skyline.

Related: Comcast to replace GE sign at Rockefeller Plaza    • Comcast to replace GE sign at Rockefe...  

(Aired on NBC Nightly News with Lester Holt on 07/01/15)